Anthropic, the company behind the Claude family of AI models, has made its long-awaited plan to go public official. It filed a registration statement on Form S-1 with the US Securities and Exchange Commission to list Class A shares on the Nasdaq under the ticker ANT, and for the first time the market can see how a frontier AI lab actually makes and spends its money. The filing became public on 26 October. Its effects reached Dalal Street the next day, when Indian IT services stocks fell while chip and memory makers rose.

A business growing faster than its costs, for now

The prospectus shows revenue of about $16.3 billion for the six months to 30 June 2026, roughly 14 times the $1.2 billion it earned a year earlier. The company had reported $41 million in 2023, $386 million in 2024 and $4.6 billion in 2025. Anthropic posted its first quarterly operating profit, about $974 million, in the June quarter on revenue of $11.6 billion. The headline net loss for the half year was much larger, at about $80.7 billion, which the company largely attributes to a one-time accounting charge linked to financing agreements.

About 80% of revenue comes from usage. Customers pay per token consumed through the API and through cloud marketplaces run by Amazon, Google and Microsoft, and those marketplaces now account for close to half of sales. Paid subscriptions brought in another $3.2 billion in the half year. More than 11,900 customers spend over $100,000 a year, and about 250 spend more than $10 million.

The cost of staying at the frontier is just as large. Anthropic spent around $8.9 billion on compute and infrastructure in the first half alone. It has also committed more than $800 billion to long-term capacity deals with cloud providers, chipmakers and GPU clouds, and some of those deals run until 2045.

The India angle

India barely features in the document. The S-1 gives no country-level revenue or customer figures for India and groups the country under international markets, which together brought in about $4.5 billion in the half year against $11.76 billion from the US. India still matters to the company. It accounts for roughly 7.12% of global Claude.ai usage, second only to the United States, and Anthropic opened its first Indian office in Bengaluru in February 2026.

For Indian technology leaders, the market’s reaction may matter more than the disclosures. TCS, Infosys, Wipro, HCLTech and Tech Mahindra fell by up to 3% on 27 October, while Nvidia, Micron, SK Hynix and Samsung gained. Investors were drawing a line between companies that own models and compute and companies that bill for engineering hours. Those hours are exactly the kind of work that agentic coding and automation tools are starting to absorb.

The picture is not entirely negative for Indian services firms. Anthropic itself notes that revenue from its Fortune 500 customers is still, on average, below 0.1% of what those companies spend in total. Most enterprise adoption is still ahead, and much of the integration, governance and change-management work it requires is the work Indian IT and global capability centres already do. The open questions are pricing, and how much of each AI project ends up as token spend paid to model providers rather than services revenue.

What CIOs should watch

• Vendor transparency: A listed Anthropic will report results every quarter, giving buyers far more visibility into the pricing, margins and capacity of a core AI supplier.
• Governance: The founders will keep majority voting control through a special entity, and an independent Long-Term Benefit Trust can appoint most of the board. That structure is meant to keep its safety commitments insulated from short-term market pressure.
• Risk disclosures: The 94 pages of risk factors openly warn that advanced AI could pose catastrophic risks if misused or deployed without safeguards. Boards are likely to cite that language in their own AI risk discussions.

What happens next

The filing does not yet include a share count or price range. Under SEC timelines, the investor roadshow can begin no earlier than 10 November. Reports suggest Anthropic is aiming for a debut in the week of 16 November, although market conditions could change that schedule. Whenever the listing happens, it will give the industry its first public-market price for a pure-play frontier model company. Indian enterprises and IT providers will be watching it as closely as Wall Street.

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